WatchMon-CORE kit for Cell Monitoring Options

Sale price Price $374.00 AUD Regular price Unit price  per 

Shipping calculated at checkout.

WatchMon-CORE - Cell Monitoring Options

Choose the options to go with your WatchMon CORE

Advisory: BlockMons availability will be on a by-request basis starting August 2022. 

Recommend to switch to CellMate-K9.

WatchMon CORE can still communicate distributed cell monitors

  • LongMon for Typical 18650 repurposed cells
  • BlockMon-M8 for Prismatic cells to ease mounting
  • LeafMon for Nissan Leaf cells

Introducing the next generation of WatchMon-CORE supervisor. We have made a new model, a stronger WM4...a better 4... now shall be named "WatchMon-CORE". This revamp is taking the lessons we have learnt from WM4 and building on this proven platform with a few new features.

Moving forward this will be the CORE building block that additional components will link to this supervisor in the future. 


  • BMS to suit LiFePO4, Lithium-Ion or custom chemistry
  • User configurable parameters and control logic
  • Configurable 30vdc 5A relay  (i.e. remote circuit breaker trip, contactor or fan)
  • Additional inputs/outputs via Expansion Board purchased separately
  • Compatible with all Expansion Board (series 1, 2, or 3)
  • Clock with backup battery
  • data logging of key metrics for 10 years
  • firmware upgrades via USB
  • 4 stage display of State of Charge (SoC%) 
  • External ambient temperature sensor
  • Easy to use pluggable screw-terminal connectors
  • With distributed cell monitors capable of 28 Ah/day balancing adjustment for each cell 
  • Link to Shuntmon with 500A or 1000A power rating
  • Compatible with MultiMon MM8


Remote Communication

  • WiFi connectivity (normal, disabled, or read only)
  • CAN bus Opto-Insulated to remote charger/inverter equipment
  • future feature to connecting to cloud portal via MQTT (secure link).


    Power Input

    • Built-in 8v to 65v DC-DC supply
    • with WiFi enabled consumes ~1.7W (Typical 48v battery budget 1Ah/day)

      Inside the box:

      • 1 x WatchMonCore
      • 1 x USB A-B 1.5m extension cable
      • 1 x Temperature sensor
      • 1 x Screwdriver
      • 1 x Sticker

      Support content options

      • 24 / 7 access to support content and video
      • Email (fair use)
      • Teamviewer remote interactive sessions
      • Link to online support


      • Easier to use layout than previous models
      • Bigger DC-DC (6W) supporting 8-65V supply
      • Cell Monitor port (aka CMU) now with its own external fully isolated communication module named "IsoMon3" that can link to LongMon, BlockMon and LeafMon
      • CMU and Shunt serial ports have a different number of pins to avoid confusion
      • New on-board Relay (30vdc 5a relay) making it easier for DIY wiring

      Optional Expansion Board (series 3) details

      • 3 x Mechanical 30Vdc 5A relay outputs
      • 3 x Solid state relay SSR 65vdc 5A isolated modules outputs
      • 2 x Isolated inputs 5-65vdc sensor channel
      • 2 x ADC 0-5vdc (future development option)
      • 1 x RS485 Serial port (future development option)
      • 1 x Remote Addressable LED (future development option)
      • Compatible with all supervisors

      Following optional extras can be purchased

      • Expansion board
      • 500A or 1000A Shunt monitor
      • Cell monitors to suit your battery
      • Extra Support

      Helicopter preview of product with optional Expansion Board 3

      Overview and unboxing

      Step by Step supervisor installation with LongMons


      cart-item__original-price cart-item__price